Station

Official Homepage

4th Assault Amphibian Battalion

4th Assault Amphibian Battalion's mission is to land surface assault elements of a landing force and their equipment during amphibious operations, and to conduct mechanized operations and related combat support in subsequent operations ashore.

The 4th Assault Amphibian Battalion activated on 19 August 1943 at Camp Pendelton, CA, as the 4th Amphibian Tractor Battalion, Division Special Troops, 4th Marine Division, Fleet Marine Force. It was reassigned during January 1944 to Corps Troops, V Amphibious Corps, and deployed to the Pacific Area. It was reassigned during April 1944 to Corps Troops, III Amphibious Corps and participated in the following World War II Campaigns:

Kwajalein;

Guam; and

Okinawa

It was redisignated on 8 September 1944 as the 4th Amphibian Tractor Battalion, Fleet Marine Force Pacific Troops, III Amphibious Corps. It was detached on 11 November 1944 from III Amphibious Corps.

The unit was redesignated on 15 July 1945 as the 4th Amphibian Tractor Battalion, 2nd Amphibian Tractor Group (Provisional), Fleet Marine Force, Pacific, and deployed to Guam, Marianas Islands. It was redesignated on 30 September 1945 as the 4th Amphibian Tractor Battalion, Fleet Marine Force, Pacific. It redeployed during October 1945 to Camp Pendelton, CA.